Update some uses of char16 to use the base:: namespace.

ui/base/ime/input_method_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/base/ime/input_method_win.h"
 
 #include "base/basictypes.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
@@ skipping 116 matching lines @@
 LRESULT InputMethodWin::OnChar(HWND window_handle,
                                UINT message,
                                WPARAM wparam,
                                LPARAM lparam,
                                BOOL* handled) {
   *handled = TRUE;
 
   // We need to send character events to the focused text input client event if
   // its text input type is ui::TEXT_INPUT_TYPE_NONE.
   if (GetTextInputClient()) {
-    const char16 kCarriageReturn = L'\r';
-    const char16 ch = static_cast<char16>(wparam);
+    const base::char16 kCarriageReturn = L'\r';
+    const base::char16 ch = static_cast<base::char16>(wparam);
     // A mask to determine the previous key state from |lparam|. The value is 1
     // if the key is down before the message is sent, or it is 0 if the key is
     // up.
     const uint32 kPrevKeyDownBit = 0x40000000;
     if (ch == kCarriageReturn && !(lparam & kPrevKeyDownBit))
       accept_carriage_return_ = true;
     // Conditionally ignore '\r' events to work around crbug.com/319100.
     // TODO(yukawa, IME): Figure out long-term solution.
     if (ch != kCarriageReturn || accept_carriage_return_)
       GetTextInputClient()->InsertChar(ch, ui::GetModifiersFromKeyState());
@@ skipping 206 matching lines @@
     if (GetTextInputClient()) {
       GetTextInputClient()->InsertChar(event.key_code(),
                                        ui::GetModifiersFromKeyState());
       return true;
     }
   }
   return DispatchKeyEventPostIME(event);
 }
 
 }  // namespace ui